Keyboard



FIG. 1 has a top plan view of a keyboard in accordance with the present invention;

FIG. 2 is a front elevational view of the keyboard of FIG. 1; and,

FIG. 3 is a side elevational view of the keyboard of FIG. 1.

The broken line showing of unclaimed portions of the keyboard is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a keyboard, as shown and described. 